solvtec

Solvtec ST5516 K Seal Heavy Duty Permanent Coolant Leak Sealer

(No reviews yet) Write a Review
SKU:
19113084
MPN:
st5516
Availability:
Out of stock
Stock Update:
11/14/2025 06:34:29 PM PST

Out of stock

Stock Update:
11/14/2025 06:34:29 PM PST

Description

This item is brand-new, factory sealed.

K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair
  • Permanent coolant leak repair - Just shake, pour and go
  • Mixes with all antifreeze
  • No draining or flushing
  • Fixes cracks and leaks in radiator, head gasket, freeze plugs, cylinder heads, heater core, water pump casing and engine blocks
  • If product did not seal head gasket leak, the system might be Over-pressurized, which causes back pressure and doesn't allow the product to reach the problem area, on this page below under Technical Specification is a PDF Guide with instructions to follow to complete the repair successfully
  • Manufacturer: ?Solv-Tec
  • Brand: ?K-Seal
  • Item Weight: ?1 pounds
  • Product Dimensions: ?5.9 x 4.1 x 1.9 inches
  • Country of Origin: ?USA
  • Item model number: ?ST5516
  • Is Discontinued By Manufacturer: ?No
  • Manufacturer Part Number: ?ST5516

K-Seal 16 fluid ounce bottle is effective to 60 quarts cooling capacity. Just shake, pour and go. It repairs leaks and cracks in the radiator, head gasket, heater core, freeze plugs, water pump casing, cylinder heads, and engine blocks. For trucks, tractors, industrial, RV, and large-capacity engines.

View AllClose

Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
View AllClose

0 Reviews

View AllClose
Main
Solvtec ST5516 K Seal Heavy Duty Permanent Coolant Leak Sealer